public void GetTotalLineCount_ShouldReturnSameValue_WhenCalledOnMultipleThreads()
{
const int NumCalls = 50;
var totaliser = new TotalLineCount(EmbeddedFiles.Huge, EmbeddedFiles.Large, EmbeddedFiles.Medium);
var results = Enumerable.Range(0, NumCalls).AsParallel().Select(i => totaliser.GetTotalLineCount()).ToList();
Assert.That(results.Distinct().Count(), Is.EqualTo(1));
}
public void GetTotalLineCount_ShouldOnlyReadEachFileOnce_WhenCalledTwiceOnSameThread()
{
var totaliser = new TotalLineCount(EmbeddedFiles.Huge, EmbeddedFiles.Large, EmbeddedFiles.Medium);
totaliser.GetTotalLineCount();
totaliser.GetTotalLineCount();
Assert.That(totaliser.NumberOfCallsToReadAllLines, Is.EqualTo(1));
}
